skinnylegend33 skinnylegend33

23-01-2020
Mathematics

contestada

. If the perimeter of a rectangle is 18x + 4 what is the length of the missing side?
2X-3

If the perimeter of a rectangle is 18x 4 what is the length of the missing side2X3 class=

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josshyaby josshyaby

23-01-2020

Answer:

Step-by-step explanation:

Let the length b y

Width = 2x - 3

Perimeter = 18x + 4

And

Perimeter = 2(l + w)

18x + 4 = 2(y + 2x - 3)

Dividing through by 2

9x + 2 = y + 2x - 3

Making y as subject

y = 9x - 2x + 2 + 3

y = 7x + 5

The missing side is 7x + 5

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